Nathaniel Philbrick, author of In the Heart of the Sea, talks about his interest in the whaleship Essex and the history of whaling on Nantucket. Hear more about Philbrick's historical interests and other works he has written.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
A personal story of one family's dramatic effort to hold onto their family farm in Iowa as massive foreclosures sweep the nation in the 1990s.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
High on a granite cliff in South Dakota's Black Hills tower the huge carved faces of four American presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.